Metropolitan Washington
 
Data courtesy of:
 

 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
Local Air Quality Resources
Action Day Programs | Forecast
 
State Air Quality Resources
American Lung Association (ALA) of the District of Columbia
District Department of the Environment
District Dept. of the Environment - Contacts
District of Columbia - Emergency Management Agency - Air Quality Indexes
Metropolitan Washington Council of Governments - Air Quality Information
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
46 
Good
Health Message: None
Air Quality Index (AQI)
25 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
46 
Good
Particles (PM2.5)
25 
Good
Forecast Discussion: Good air quality is expected for the extended forecast. Weak high pressure builds in the area over the weekend but favorable winds and good mixing should keep the region within the Good range. An unsettled weather pattern across the northeastern United States early next week will maintain Good air quality through next Tuesday. - MDE

Current Conditions
Air Quality Index (AQI)
observed at 20:00 EST
55
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.
AQI - Pollutant Details
Particles (PM2.5) 55 Moderate
Ozone 24 Good

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Air Quality Maps Archives (by region)

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